[Withdrawn] Characteristics of equipment and lines used for setting up 6.4 kHz type sound-programme circuits
Deleted because no system or equipment have implemented it during the last two study periods

[Withdrawn] Characteristics of equipment for the coding of analogue high quality sound programme signals for transmission on 320 kbit/s channels
Deleted because no system or equipment have implemented it during the last two study periods

[Withdrawn] Characteristics of equipment for the coding of analogue medium quality sound-programme signals for transmission on 320 kbit/s channels
Deleted because no system or equipment have implemented it during the last two study periods

Sampling frequencies to be used for the digital transmission of studio-quality and high-quality sound-programme signals
Published as ITU-R Rec. CMTT 606-1 in CCIR Recommendations, Volume XII, Düsseldorf, 1990

[Withdrawn] Transmission of high-quality sound-programme analogue signals over mixed analogue/digital circuits at 320 kbit/s
Was published as ITU-R Rec. CMTT 719 in CCIR Recommendations, Volume XII, Düsseldorf, 1990. Deleted because no system or equipment have implemented it during the last two study periods

Transmission of one sound programme associated with analogue television signal by means of time division multiplex in the line synchronizing pulse
Published as ITU-R Rec. CMTT 572 in CCIR Recommendations, Volume XII, Düsseldorf, 1990

[Withdrawn] Interconnection of systems for television transmission on coaxial pairs and on radio-relay links
Deleted because no system or equipment have implemented it during the last two study periods

Transmission systems for interactive cable television services
Example of linking options between annexes of Rec. J.112 and annexes of Rec. J.83 may be found in Supplement 1 to J series (1998). Guidelines for the implementation of annex A of Rec. J.112 may be found in Supplement 2 to J series (1998).

A method to reconstruct the received video sequence seen at the receiver using transmission error information to monitor the perceptual video quality at the receiver in digital cable television and video telephony

Guidelines for the implementation of annex A of Recommendation J.112, "Transmission systems for interactive cable television services" - Example of digital video broadcasting (DVB) interaction channel for cable television distribution